# CVE-2023-53330: linux: In the Linux kernel, the following vulnerability has been resolved:  caif: fix memory leak in cfctrl_linkup_request()...

CVE-2023-53330 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53330, released September 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-53330
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0015
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 16, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  caif: fix memory leak in cfctrl_linkup_request()  When linktype is unknown or kzalloc failed in cfctrl_linkup_request(), pkt is not released. Add release process to error path.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.7-1 | [DEBIAN-CVE-2023-53330](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53330.md) | Sep 16, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.7-1 | [DEBIAN-CVE-2023-53330](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53330.md) | Sep 16, 2025 |
| Linux | linux Debian 14 | 6.1.7-1 | [DEBIAN-CVE-2023-53330](https://patchblox.com/security/data/fix/linux/debian-cve-2023-53330.md) | Sep 16, 2025 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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